Medium severityPythonInsecure ConfigurationHIGH confidence
Django Allowed Hosts Wildcard
Django ALLOWED_HOSTS contains the wildcard '*' (CWE-16), disabling the Host header check and enabling Host-header poisoning and cache attacks.
Standards mapping
- OWASP Top 10
- A05:2021 - Security Misconfiguration
- OWASP ASVS
- V14.3.2 (L1)
Vulnerable vs. safe
Flagged by this check
ALLOWED_HOSTS = ["*"]Passes - the safe pattern
ALLOWED_HOSTS = ["app.example.com", "www.example.com"]Why it matters & how to fix it
Django ALLOWED_HOSTS contains the wildcard '*' (CWE-16), disabling the Host header check and enabling Host-header poisoning and cache attacks. List the exact domains your app serves instead of '*'.
References
Rule ID integsec-python-django-allowed-hosts-wildcard - engine: Opengrep - license: MIT - Copyright (c) IntegSec Inc.
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